Lamp.



f o. M. DANIELS.Y LAMP.

APPLICATION FILED NOV. 2, 1968.

927,124. Patented July 6, 1905.9.

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UNITED sTATEs PATENT oEEIoE.

CHARLES MARCUS DANIELS, OF PARIS, ILLINOIS.

LAMP.

To all whom it may concern:

Be it known that I, CHARLES MARCUS DANiELs, a citizen of the United States, and a resident of Paris, in the county of Edgar and State of Illinois, have invented a new and Improved Lamp, of which the following is a full, clear, and exact description.

rllhe invention relates to certain improvements in ii'icandescent lamps, and more particularly to that type of lamp in which a liquid fuel is vaporized and mixed with air before being delivered to the burner.

rlhe invention involves certain improvements in the vaporizing and mixing chambers and the means for regulating the same.

The special object of the invention is to simplify the mechanism as much as possible and render it easy of adjustment by persons inexperienced with the manipulation of coinplicated mechanisms.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar charactersof reference indicate corresponding parts in all the figures, and in which- .Figure 1 is a longitudinal section through a burner constructed in accordance with my invention; Fig. 2 is a longitudinal section on the line 2-2 of Fig. 1; and Figs. 3 and l are transverse sections on the lines 3 3 and lib-4, respectively, of Fig. 2.

In the specific construction illustrated in the accompanying drawings, l provide a generator tube 10, adapted to be supported in a vertical position and having at the upper end thereof a valve casing 11, serving also as a coupling for connecting the generator tube to the supply tube. 'Ihe passage of the liquid fuel to the generator tube may be readily controlled by a needle valve 12, mounted within the valve casing 11. To facilitate the vapor-ization of the liquid, the tube 10 is provided with a filler 13 of asbestos or other suitable non-combustible material, so that a large vaporizing surface is presented. The filler is preferably supported at its upper end, so that it will be held out of engagement with the gauze hereinafter referred to. Any suitable supporting means may be employed, as, for instance, a transversely-extending wire 13a engaging with the upper end of the tube 10 and extending through the filler. The filler is not inserted so tightly but that the liquid may flow therethrough, but it serves to retard the How and reiuler the same more uniform. At the Specification of Letters Patent.

Application filed November 2, 1908.

laatented July 6, 1909.

Serial No. 460,784.

lower end of the tube is a tip or nozzle 141, threaded to the exterior of the tube and having an extremely small aperture 15 therethrough for the passage of the gas generated in the tube 10. Hthin the tip or nozzle and above the aperture 15, is a wire gauze 1G, or other suitable screen, to prevent particles of asbestos or other foreign bodies from entering the aperture 15 and obstructing t-he same. Below the gene 'ato'r tube and supported thereby, I employ an air inlet tube 17, into which the nozzle 14 delivers. The air inlet tube is preferably horizontally disposed and has one end thereof closed to form an air chamber 1S and the opposite end extending to the exterior of the lamp and terminating in an air inlet port 19. The air inlet tube is provided with oppositely-dsposed upwardly and downwardly-extending branches, by means of which it is secured to the adjacent parts. The upper branch 20 surrounds the lower Aportion of the nozzle or tip 14 and is detachably secured thereto. The upper portion of the tip constitutes a collar 21, which engages with the end of the branch 20, while the body of the tip extends downwardly into said branch. The open end of the branch 20 is flattened or rendered non-circular in cross section, and at the flattened sides, it is undercut as indicated in Fig. 2. 'lhe tip is of greater diameter in one direction at its lower end than it is adjacent the collar 21, the angle of inclination being the same as that of the undercut in the branch 20. The tip when in the proper angular adjustment may be freely inserted within the open end of the branch 20, until the collar comes into engagement with the end of said branch. By rotating the tip and air inlet relatively to each other and through. an angle of approximately ninety degrees, the parts are brought to the relative positions indicated in Figs. 1 and 2, and the air inlet tube is firmly secured in place. A slight leakage past the tip will cause no material damage, as the interior of the air inlet tube is open to the atmosphere at one end and the admission of a slightly greater quantity of air will not materially affect the combustion of the mixture.

Suspended from the air inlet tube and carried by the depending branch 21 thereof, is a mixing chamber 22, terminating in a plurality of branches, each serving to support a burner. The upper end of the mixing chamber is in the form of a tube 23,

telescoping with the tubular branch 21 and detachable therefrom. To facilitate the ready adjustment of these parts in respect to each other, the tubular branch 2l and the tube 23 are each somewhat flattened, so that when the two are properly adjusted in respect to each other, the tube may be readily inserted within the branch, but after insertion to the desired extent, a rotation of one in respect to the other, causes the two to become iirmly bound. together, so that the mixing chamber cannot fall out. The entrance ot' the mixing chamber is directly opposite to the nozzle 15, so that the jet of gas from the latter is projected down the mixing tube and is surrounded by the air entering through the air inlet tube 17. The mixing chamber may support as many branches 24 as desired, and each branch carries a grid 25 or the like, adjacent its open end and at which the flame is formed. Each branch may be provided with an outwardly-extending tiange 2G for facilitating the attachment of any suitable form oi inverted' mantle.

ln the use of my improved construction, the air inlet tube may be readily removed from the generator tube without necessitating the use of special tools or requiring the skill of an expert mechanic. The mixing tube .may be readily removed from the air inlet tube or adjusted longitudinally in respect thereto, to permit ot the entrance oi a greater or smaller quantity of air, and this also is accomplished by the mer'e rotation of the mixing chamber and its longitudinal movement in respect to the air inlet tube. The chamber 18 serves to render more uniform the entranceio'r1 the air to the tube 23 and prevents sudden tiuctuations in the delivery. No air -flows directly through the chamber 18, but the chamber permits the air to pass freely around the end ot the tube 23, so as to enter the same equally well from all sides.

Having thus described my invention I claim as new and desire to secure by Letters Patent:

In combination, an air inlet chamber, comprising a horizont-ally-disposed tube having one end thereof open to the atmosphere and the opposite end thereof closed and having upwardly and downwardly-extending branches, means for delivering a combustible tluid to said chamber through one of said branches, and a mixing chamber having a tubular portion concentric with the other of said branches and longitudinally movable in respect thereto.

n testimony whereof I have signed my name to this specification in the presence ot' two subscribing witnesses.

CHARLES MARCUS DANIELS. 1Witnesses CHARLES WV. BoUsnR, A. Rissen. 

